Have people gone mad? How can one individual be overfilling their own cart, while shaming others who are doing the same?

Now that the DSM lists severe hoarding as a disorder apart from OCD, psychologists are asking what explains its prevalence.

Synesthesia—a mixing and merging of the senses—is surprisingly common. Studies of the phenomenon can help explain how the brain and sensory system work.

"White Bear," an episode of the television show Black Mirror, documents the cruel and unusual punishment inflicted on the protagonist, an amnesiac.

Is it time to turn our back on Facebook? And if so, what social network could possibly replace it?